In this apocalypse, there is a very powerful person. He leads the survivors in the apocalypse to a relatively safe and stable place and builds a city. It is not a big city but can accommodate more than 1,000 people. The name of this city is Yunzhong City.
When the end of the world approaches, he encounters danger and obtains a magical system. This is a system that only he can see. The system calls him a player.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.